Css-color-extractor-cli NPM

CSS Color Extractor CLI

Extract colors (named, hex, rgb, rgba, hsl, and hsla) from CSS.

.foo {
  color: red;
  border: 1px solid #ab560f;
  font-size: 16px;
  background-image: linear-gradient(to-bottom, red, blue);
}

.bar {
  color: rgba(0, 128, 255, 0.5);
}

.baz {
  display: block;
}

Yields:

red
#ab560f
blue
rgba(0, 128, 255, 0.5)

This module looks at the following CSS properties for colors:

color
background
background-color
background-image
border
border-top
border-right
border-bottom
border-left
border-color
border-top-color
border-right-color
border-bottom-color
border-left-color
outline
outline-color
text-decoration
text-decoration-color
text-shadow
box-shadow
fill
stroke
stop-color
flood-color
lighting-color

Installation

Use npm.

npm install -g css-color-extractor-cli

Usage

Extract colors as a list to stdout:

css-color-extractor input.css

Extract colors from stdin:

cat input.css | css-color-extractor

Use the --without-grey or --without-monochrome flag(s):

css-color-extractor input.css --without-grey

Use the --color-format option to transform color output format (hexString, hexaString, rgbString, percentString, hslString, hwbString, or keyword):

css-color-extractor input.css --color-format=hslString

Use the --sort option to sort the list of colors (hue or frequency):

css-color-extractor input.css --sort=hue

Use the --inverse option to remove colors from rules:

css-color-extractor input.css output.css --inverse

Extract colors to file:

css-color-extractor input.css output.txt

Extract colors to CSS format (includes original CSS selectors):

css-color-extractor input.css output.css

# or to stdout
css-color-extractor input.css --format=css

.foo {
  color: red;
  border: 1px solid #ab560f;
  font-size: 16px;
  background-image: linear-gradient(to-bottom, red, blue);
}

.bar {
  color: rgba(0, 128, 255, 0.5);
}

.baz {
  display: block;
}

Yields:

.foo {
  color: red;
  border-color: #ab560f;
  background-image: linear-gradient(to-bottom, red, blue);
}

.bar {
  color: rgba(0, 128, 255, 0.5);
}

Extract colors to JSON format:

css-color-extractor input.css output.json

# or to stdout
css-color-extractor input.css --format=json

.foo {
  color: red;
  border: 1px solid #ab560f;
  font-size: 16px;
  background-image: linear-gradient(to-bottom, red, blue);
}

.bar {
  color: rgba(0, 128, 255, 0.5);
}

.baz {
  display: block;
}

Yields:

["red","#ab560f","blue","rgba(0, 128, 255, 0.5)"]

Extract colors to HTML format (page of color swatches):

css-color-extractor input.css output.html

# or to stdout
css-color-extractor input.css --format=html

Specify custom Underscore.js template for html:

css-color-extractor input.css output.html -t /path/to/templatefile.tpl

# or to stdout
css-color-extractor input.css --format=html  --template-html=/path/to/templatefile.tpl

.foo {
  color: yellow;
  border: 1px solid #ab560f;
  font-size: 16px;
  background-image: linear-gradient(to-bottom, red, blue);
}

.bar {
  color: rgba(0, 128, 255, 0.5);
}

.baz {
  display: block;
}

Yields:

<!DOCTYPE html>
<html>
<head>
    <title>Colors</title>
</head>
<body>
    <div class="container">
        <ul class="swatches">
            <li class="swatch swatch" style="background-color: yellow;">yellow</li>
            <li class="swatch swatch-dark" style="background-color: #ab560f;">#ab560f</li>
            <li class="swatch swatch-dark" style="background-color: rgba(0, 128, 255, 0.5);">rgba(0, 128, 255, 0.5)</li>
            <li class="swatch swatch-dark" style="background-color: blue;">blue</li>
        </ul>
    </div>
</body>
</html>

License

Licensed under the MIT License.

css color

color colors css-color-extractor lodash.template postcss postcss-colors-only yargs

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